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GtkRange: Implement new AtkValue interface

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The AtkValue interface has been replaced in ATK 2.12.
Implement the new one in addition to the old one.
This commit is contained in:
Matthias Clasen 2014-05-02 20:46:45 -04:00
parent 1d50657740
commit 516cd70780
1 changed files with 73 additions and 0 deletions
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73
gtk/a11y/gtkrangeaccessible.c
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@ -212,6 +212,74 @@ gtk_range_accessible_set_current_value (AtkValue *obj,
return TRUE;
}
static void
gtk_range_accessible_get_value_and_text (AtkValue *obj,
gdouble *value,
gchar **text)
{
GtkWidget *widget;
GtkAdjustment *adjustment;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
adjustment = gtk_range_get_adjustment (GTK_RANGE (widget));
if (adjustment == NULL)
return;
*value = gtk_adjustment_get_value (adjustment);
*text = NULL;
}
static AtkRange *
gtk_range_accessible_get_range (AtkValue *obj)
{
GtkWidget *widget;
GtkAdjustment *adjustment;
gdouble min, max;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
adjustment = gtk_range_get_adjustment (GTK_RANGE (widget));
if (adjustment == NULL)
return NULL;
min = gtk_adjustment_get_lower (adjustment);
max = gtk_adjustment_get_upper (adjustment)
- gtk_adjustment_get_page_size (adjustment);
if (gtk_range_get_restrict_to_fill_level (GTK_RANGE (widget)))
max = MIN (max, gtk_range_get_fill_level (GTK_RANGE (widget)));
return atk_range_new (min, max, NULL);
}
static void
gtk_range_accessible_set_value (AtkValue *obj,
const gdouble value)
{
GtkWidget *widget;
GtkAdjustment *adjustment;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
adjustment = gtk_range_get_adjustment (GTK_RANGE (widget));
if (adjustment == NULL)
return;
gtk_adjustment_set_value (adjustment, value);
}
static gdouble
gtk_range_accessible_get_increment (AtkValue *obj)
{
GtkWidget *widget;
GtkAdjustment *adjustment;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
adjustment = gtk_range_get_adjustment (GTK_RANGE (widget));
if (adjustment == NULL)
return 0;
return gtk_adjustment_get_minimum_increment (adjustment);
}
static void
atk_value_interface_init (AtkValueIface *iface)
{
@ -220,4 +288,9 @@ atk_value_interface_init (AtkValueIface *iface)
iface->get_minimum_value = gtk_range_accessible_get_minimum_value;
iface->get_minimum_increment = gtk_range_accessible_get_minimum_increment;
iface->set_current_value = gtk_range_accessible_set_current_value;
iface->get_value_and_text = gtk_range_accessible_get_value_and_text;
iface->get_range = gtk_range_accessible_get_range;
iface->set_value = gtk_range_accessible_set_value;
iface->get_increment = gtk_range_accessible_get_increment;
}